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Relationships In Food Webs
Test Description: 8.11 A describe producer/consumer, predator/prey, and parasite/host relationships as they occur in food webs within marine, freshwater, and terrestrial ecosystems
Instructions: Answer all questions to get your test result.
1) How are parasitism and predation similar?
A
One organism benefits and the other is harmed.
B
Both organisms are harmed.
C
One organism benefits and the other is not harmed.
D
Both organisms benefit.
2) Which of the following is necessary for two organisms to be considered as coexisting in a mutualistic relationship?
A
One organism benefits while the other neither benefits nor is harmed.
B
One organism benefits while the other is harmed.
C
Both organisms benefit from the relationship.
D
Both organisms are harmed from the relationship.
3) How are humans classified within a food web?
A
parasites
B
consumers
C
producers
D
decomposers
4) An example of a producer-consumer relationship would be between which two organisms?
A
zebra and lion
B
flower and bee
C
dog and flea
D
grass and mouse
5) An example of a predator-prey relationship would be between which two organisms?
A
zebra and lion
B
grass and mouse
C
flower and bee
D
dog and flea
6) An example of a parasite-host relationship would be between which two organisms?
A
zebra and lion
B
dog and flea
C
grass and mouse
D
flower and bee
7) A fox species living in an area eats mostly mice. What would you predict would happen if the mouse population died from a quick-spreading virus?
A
A. Foxes would turn to eating grass species to survive.
B
D. Both B and C
C
C. Some foxes may starve.
D
B. Some foxes would roam outside of their usual home range to find more mice.
8) A student goes home one day to find his dad chopping down a tree in the backyard. The pine beetle has fed on the tree’s bark, and the tree is almost dead. The pine beetle is a:
A
Parasite
B
Host
C
Producer
D
Carnivore
9) A snail eating algae growing on a rock
A
Predator and Prey
B
Parasite and Host
C
Producer and Consumer
D
None of the above
10) A frog flicks its tongue and catches a fly
A
Predator and Prey
B
Parasite and Host
C
None of the above
D
Producer and Consumer
*select an answer for all questions
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